Smart Locking System There are master password and user password for this security safe. With the locking system, you can setup 2 different passwords to access. Please always keep your emergency keys outside the safe, this will really help when you forget the passwords or when the batteries are dead. Ideal Size for Daily Use 2.5 cubic feet and a compact size (13.78" x 17.7"x 13.78"), Net weight: 9.4 pounds. This safe lock box is easy to conceal in cabinets, wardrobes, or bedside tables. Fit for storing cash, jewelry, passports, medications, documents, small firearms, etc.